// Copyright (C) 2018 Valerie Young. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
esid: sec-%asyncfromsynciteratorprototype%.throw
description: throw() will call default sync throw
info: |
  %AsyncFromSyncIteratorPrototype%.throw ( value )
  ...
  2. Let promiseCapability be ! NewPromiseCapability(%Promise%).
  ...
  5. Let throw be GetMethod(syncIterator, "throw").
  ...
  8. Let throwResult be Call(throw, syncIterator, « value »)
  9. IfAbruptRejectPromise(throwResult, promiseCapability).
  ...
  22. Return promiseCapability.[[Promise]].

  Generator.prototype.throw ( exception )
  1. Let g be the this value.
  2. Let C be Completion{[[Type]]: throw, [[Value]]: exception, [[Target]]: empty}.
  3. Return ? GeneratorResumeAbrupt(g, C).

flags: [async]
features: [async-iteration]
---*/

function Test() {
    var thrownError = new Error("Catch me.")

    function* g() {
      yield 42;
      throw new Test262Error('throw closes iter');
      yield 43;
    }

    async function* asyncg() {
      yield* g();
    }

    var iter = asyncg();

    iter.next().then(function(result) {

      // throw will call sync generator prototype built-in function throw
      iter.throw(thrownError).then(
        function(result) {
          throw new Test262Error('throw should cause rejection of promise');
        },
        function(err) {
          assert.sameValue(err, thrownError, "promise should be reject with custom error, got: " + err)

          iter.next().then(({ done, value }) => {
            assert.sameValue(done, true, 'the iterator is completed');
            assert.sameValue(value, undefined, 'value is undefined');
          }).then($DONE, $DONE);
        }
      ).catch($DONE);

    }).catch($DONE);
}

// preheat
const NUMBER_OF_PREHEAT = 1;
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}

ArkTools.jitCompileAsync(Test);
assert.sameValue(ArkTools.waitJitCompileFinish(Test), true, '[JIT] JIT disabled.');

// test
const NUMBER_OF_TEST = 1; // or 2
for (let i = 0; i < NUMBER_OF_TEST; i++) {
    Test();
}
